Home / 489,904,015.60-735,950,884.20-409,282,447.60

Finding the Fourth Proportional to 489,904,015.60, 735,950,884.20 and 409,282,447.60

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Solution

The fourth proportional to 489,904,015.60, 735,950,884.20 and 409,282,447.60 is: 614,838,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,015.60 : 735,950,884.20 = 409,282,447.60 : x
  2. Step 2: Convert to fraction form
    489,904,015.60/735,950,884.20 = 409,282,447.60/x
  3. Step 3: Cross multiply
    489,904,015.60x = 735,950,884.20 × 409,282,447.60
  4. Step 4: Simplify right side
    489,904,015.60x = 301,211,779,198,760,192
  5. Step 5: Solve for x
    x = 301,211,779,198,760,192/489,904,015.60
  6. Step 6: Final answer
    x = 614,838,355.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.